CN204329416U - Parallel-flow heat exchanger - Google Patents
Parallel-flow heat exchanger Download PDFInfo
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- CN204329416U CN204329416U CN201420768782.9U CN201420768782U CN204329416U CN 204329416 U CN204329416 U CN 204329416U CN 201420768782 U CN201420768782 U CN 201420768782U CN 204329416 U CN204329416 U CN 204329416U
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Abstract
The utility model discloses a kind of parallel-flow heat exchanger, comprising: the first header and the second header that are provided with refrigerant inlet; Multiple leeward flat tube, the two ends of each leeward flat tube are connected with the second header with the first header respectively; Multiple flat tube windward, multiple flat tube is windward positioned on front side of leeward flat tube, and multiple flat tube is windward divided into the first flat pipe group to the 3rd flat pipe group at above-below direction; 3rd header is to the 5th header, and the 3rd header and the 5th header are respectively adjacent to the first header and arrange, and contiguous second header of the 4th header is arranged, and the 5th header is provided with refrigerant exit; The two ends of the first flat pipe group are connected with the 3rd header with the second header respectively, and the second flat pipe group is connected with the 4th header with the 3rd header respectively, and the 3rd flat pipe group is connected with the 5th header with the 4th header respectively.According to parallel-flow heat exchanger of the present utility model, surface temperature can be made even, can also heat transfer effect be promoted.
Description
Technical field
The utility model relates to air-conditioning technical field, especially relates to a kind of parallel-flow heat exchanger.
Background technology
In correlation technique, during the condenser of parallel-flow heat exchanger as air-conditioning system, because refrigerant is successively from the flat tube fluid interchange of the flat tube lower portion on top, cause the temperature of temperature higher than the latter half of the first half of whole parallel-flow heat exchanger, and then the temperature difference of the first half of parallel-flow heat exchanger and air is large, heat transfer effect is better, but the having a narrow range of temperature of the latter half of parallel-flow heat exchanger and air, heat transfer effect is poor, thus affects the heat transfer effect of whole parallel-flow heat exchanger.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model needs to propose a kind of parallel-flow heat exchanger, and this parallel-flow heat exchanger can make surface temperature even, can also promote heat transfer effect.
According to parallel-flow heat exchanger of the present utility model, comprising: the first header and the second header, described first header and described second header are spaced apart from each other setting, and described first header is provided with refrigerant inlet; Multiple leeward flat tube, the spaced apart along the vertical direction setting of described multiple leeward flat tube and the two ends of each described leeward flat tube are connected with described second header with described first header respectively; Multiple flat tube windward, described multiple flat tube is windward positioned on front side of described leeward flat tube with described multiple leeward flat tube one_to_one corresponding respectively, and described multiple flat tube is windward divided into the first flat pipe group, the second flat pipe group and the 3rd flat pipe group at above-below direction; 3rd header is to the 5th header, and described 3rd header and described 5th header are respectively adjacent to described first header and arrange, and contiguous described second header of described 4th header is arranged, and described 5th header is provided with refrigerant exit; The two ends of described first flat pipe group are connected with described 3rd header with described second header respectively, described second flat pipe group is connected with described 4th header with described 3rd header respectively, and described 3rd flat pipe group is connected with described 5th header with described 4th header respectively.
According to the parallel-flow heat exchanger of the utility model embodiment, flat tube is divided into leeward flat tube and flat tube windward, and first flowed in the second header by all leeward flat tube be intervally arranged up and down from the high temperature refrigerant that the first header enters and carry out heat exchange, thus, the temperature of whole parallel-flow heat exchanger can be made to distribute in the vertical direction more even, and then the temperature difference of the upper and lower of parallel-flow heat exchanger and air can be impelled close, the heat transfer effect of parallel-flow heat exchanger can be promoted thus.In addition, by multiple flat pipe group will be divided into along the vertical direction by flat tube windward, thus the refrigerant in flat tube windward can be made to carry out repeatedly fluid interchange at the windward side of parallel-flow heat exchanger, the heat transfer effect of parallel-flow heat exchanger can be improved further.
In addition, also following additional technical feature can be had according to parallel-flow heat exchanger of the present utility model:
Alternatively, described 3rd header and the spaced apart setting in the vertical direction of described 5th header.
Alternatively, described 3rd header and described 5th header are formed as one part and being opened by baffle interval along the vertical direction.
Particularly, the height H 1 of described first header, the height H 2 of described second header, the height H 3 of described 3rd header, the height H 4 of described 4th header and the height H 5 of described 5th header meet following relational expression: H1=H2 > H3 > H4 > H5.
Alternatively, described multiple leeward flat tube and corresponding described multiple flat tubes windward form as one structure and opening respectively by baffle interval.
Alternatively, described 3rd header, described 4th header and described 5th header are all between described first header and described second header.
Alternatively, described refrigerant inlet is formed in the middle part of described first header.
Alternatively, described refrigerant exit is formed in the bottom of described 5th header.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the front view of the parallel-flow heat exchanger according to the utility model embodiment;
Fig. 2 is the sectional view along A-A direction in Fig. 1;
Fig. 3 is the sectional view along B-B direction in Fig. 1;
Fig. 4 is the upward view of the parallel-flow heat exchanger according to the utility model embodiment.
Reference numeral:
Parallel-flow heat exchanger 100;
First header 1; Refrigerant inlet 11;
Second header 2; Leeward flat tube 3;
Flat tube 4 windward; First flat pipe group 41; Second flat pipe group 42; 3rd flat pipe group 43;
3rd header 5; Baffle plate 51;
4th header 6; 5th header 7; Refrigerant exit 71;
Dividing plate 8.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 4, the parallel-flow heat exchanger 100 according to the utility model embodiment is described.Parallel-flow heat exchanger 100 according to the utility model embodiment can comprise: the first header 1, second header 2, leeward flat tube 3, windward flat tube 4, the 3rd header 5, the 4th header 6 and the 5th header 7.
Wherein it should be noted that, be specially adapted to the condenser in air-conditioning system according to the parallel-flow heat exchanger 100 of the utility model embodiment, to carry out condensation to the high temperature refrigerant of discharging from compressor.
First header 1 and the second header 2 are spaced apart from each other setting, and are communicated with by multiple leeward flat tube 3 between the first header 1 with the second header 2.The spaced apart along the vertical direction setting of multiple leeward flat tube 3, the two ends of each leeward flat tube 3 are connected with the second header 2 with the first header 1 respectively.Shown in composition graphs 1 and Fig. 2, the right-hand member of multiple leeward flat tube 3 is connected with the first header 1, and the left end of multiple leeward flat tube 3 is connected with the second header 2.And first header 1 be provided with refrigerant inlet 11, that is refrigerant can enter in the first header 1 from refrigerant inlet 11, then flows in multiple leeward flat tube 3 until flow in the second header 2.Alternatively, refrigerant inlet 11 is formed in the middle part of the first header 1.Being formed in refrigerant inlet 11 in the middle part of the first header 1 can so that refrigerant evenly flows in multiple leeward flat tube 3 in the first header 1, is conducive to the mobility of refrigerant in parallel-flow heat exchanger 100 and heat radiation further.
As shown in Figure 1, the 3rd header 5 and the 5th header 7 are respectively adjacent to the first header 1 and arrange, and contiguous second header 2 of the 4th header 6 is arranged, and the 5th header 7 is provided with refrigerant exit 71.Alternatively, refrigerant exit 71 is formed in the bottom of the 5th header 7.The setting being formed in the refrigerant exit 71 of the bottom of the 5th header 7 so that refrigerant flows out, and can be conducive to the overall construction intensity promoting parallel-flow heat exchanger 100.
Multiple flat tube windward 4 respectively with multiple leeward flat tube 3 one_to_one corresponding, and to be positioned on front side of leeward flat tube 3.As shown in Figure 4, be wind direction in Fig. 4 shown in arrow, flat tube 4 is positioned at the windward side of parallel-flow heat exchanger 100 windward, and leeward flat tube 3 is positioned at the leeward side of parallel-flow heat exchanger 100, and the refrigerant and the outside air heat transfer effect that are that is positioned at flat tube 4 are windward better.
Multiple flat tube windward 4 is divided into the first flat pipe group 41, second flat pipe group 42 and the 3rd flat pipe group 43 at above-below direction.The two ends of the first flat pipe group 41 are connected with the 3rd header 5 with the second header 2 respectively, and as shown in Figure 1, the left end of the first flat pipe group 41 is connected with the second header 2, and the right-hand member of the first flat pipe group 41 is connected with the 3rd header 5.Second flat pipe group 42 is connected with the 4th header 6 with the 3rd header 5 respectively, and as shown in Figure 1, the left end of the second flat pipe group 42 is connected with the 4th header 6, and the right-hand member of the second flat pipe group 42 is connected with the 3rd header 5.3rd flat pipe group 43 is connected with the 5th header 7 with the 4th header 6 respectively, and as shown in Figure 1, the left end of the 3rd flat pipe group 43 is connected with the 4th header 6, and the right-hand member of the 3rd flat pipe group 43 is connected with the 5th header 7.
The mobility status of refrigerant at parallel-flow heat exchanger 100 is described in detail below according to Fig. 1.Refrigerant flows into parallel-flow heat exchanger 100 from refrigerant inlet 11, and enter to the first header 1, first header 1 from refrigerant inlet 11 and be connected with the second header 2 by multiple leeward flat tube 3, refrigerant is flow in the second header 2 by leeward flat tube 3.Second header 2 is connected by the first flat pipe group 41 with the 3rd header 5, and then refrigerant flow to the 3rd header 5 from the second header 2 by the first flat pipe group 41.3rd header 5 is connected by the second flat pipe group 42 with the 4th header 6, and refrigerant flow to the 4th header 6 from the 3rd header 5 by the second flat pipe group 42.4th header 6 is connected by the 3rd flat pipe group 43 with the 5th header 7, and refrigerant flow to the 5th header 7 from the 4th header 6 by the 3rd flat pipe group 43.5th header 7 is provided with refrigerant exit 71, and refrigerant discharges parallel-flow heat exchanger 100 by refrigerant exit 71.
According to the parallel-flow heat exchanger 100 of the utility model embodiment, flat tube is divided into leeward flat tube 3 and flat tube 4 windward, and first flowed in the second header 2 by all leeward flat tube 3 be intervally arranged up and down from the high temperature refrigerant that the first header 1 enters and carry out heat exchange, thus, the temperature of whole parallel-flow heat exchanger 100 can be made to distribute more even in the vertical direction, and then the temperature difference of the upper and lower of parallel-flow heat exchanger 100 and air can be impelled close, the heat transfer effect of parallel-flow heat exchanger 100 can be promoted thus.In addition, by multiple flat pipe group will be divided into along the vertical direction by flat tube 4 windward, thus the refrigerant in flat tube 4 windward can be made to carry out repeatedly fluid interchange at the windward side of parallel-flow heat exchanger 100, the heat transfer effect of parallel-flow heat exchanger 100 can be improved further.
In examples more of the present utility model, the 3rd header 5 and the spaced apart setting in the vertical direction of the 5th header 7.Be understandable that, the 3rd header 5 and the 5th header 7 are independent header respectively, and the 3rd header 5 is positioned at the top of the 5th header 7.3rd header 5 and the 5th header 7 can be staggeredly arranged at left and right directions, but are not limited thereto, and the 3rd header 5 and the 5th header 7 also can be relative in the lateral direction, and namely the 3rd header 5 is positioned at directly over the 5th header 7.
In other examples of the present utility model, the 3rd header 5 and the 5th header 7 form as one part along the vertical direction, and spaced apart by baffle plate 51.As shown in Figure 1, in the vertical direction, baffle plate 51, between the second flat pipe group 42 and the 3rd flat pipe group 43, is the 3rd header 5 above baffle plate 51, be the 5th header 7 below baffle plate 51.Be understandable that, the integrative-structure of the 3rd header 5 and the 5th header 7 can be conducive to the globality promoting parallel-flow heat exchanger 100, and the production difficulty of the 3rd header 5 and the 5th header 7 can be reduced, and then the manufacturing cost of parallel-flow heat exchanger 100 can also be saved.
As the optional embodiment of one, as shown in Figure 1, the height H 1 of the first header 1, the height H 2 of the second header 2, the height H 4 of height H the 3, four header 6 and the height H 5 of the 5th header 7 of the 3rd header 5 meet following relational expression: H1=H2 > H3 > H4 > H5.Be understandable that, multiple leeward flat tube 3 and windward flat tube 4 in the vertical direction parallel interval are arranged, the quantity being communicated with the leeward flat tube 3 of the first header 1 and the second header 2 is equal, and the quantity of this leeward flat tube 3 is greater than the quantity of the flat tube windward 4 of connection the 3rd header 5, the quantity being communicated with the flat tube windward 4 of the 3rd header 5 is greater than the quantity of the flat tube windward 4 of connection the 4th header 6, and the quantity being communicated with the flat tube windward 4 of the 4th header 6 is greater than the quantity of the flat tube windward 4 of connection the 5th header 7.Leeward flat tube 3 can be made thus and the layout of flat tube 4 between each header is more simple and convenient windward.
As shown in Figure 1, the quantity of leeward flat tube 3 is that 6 quantity are divided, the quantity being communicated with the flat tube windward 4 of the 3rd header 5 is that 5 quantity are divided, and the quantity being communicated with the flat tube windward 4 of the 4th header 6 is that 3 quantity are divided, and the quantity being communicated with the flat tube windward 4 of the 5th header 7 is that 1 quantity is divided.Be understandable that, leeward flat tube in the parallel-flow heat exchanger 100 shown in Fig. 13 and the quantity of flat tube 4 are windward in order to better and state the utility model more simply, can not as the restriction for this utility model content.
Alternatively, the 3rd header 5, the 4th header 6 and the 5th header 7 are all between the first header 1 and the second header 2.Be understandable that, the length of the first flat pipe group 41, second flat pipe group 42 and the 3rd flat pipe group 43 is less than the length of leeward flat tube 3.And the arranging to save and take up room of this parallel-flow heat exchanger 100, be convenient to flexible arrangement in off-premises station or motor space, also help the structural strength promoting parallel-flow heat exchanger 100.
In concrete examples more of the present utility model, shown in composition graphs 2 and Fig. 3, multiple leeward flat tubes 3 and corresponding multiple flat tubes windward 4 form as one structure, and spaced apart respectively by dividing plate 8.The production difficulty that structure and the reduction parallel-flow heat exchanger 100 that can simplify parallel-flow heat exchanger 100 is set of integrative-structure, but also the structural strength of parallel-flow heat exchanger 100 can be promoted.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (8)
1. a parallel-flow heat exchanger, is characterized in that, comprising:
First header and the second header, described first header and described second header are spaced apart from each other setting, and described first header is provided with refrigerant inlet;
Multiple leeward flat tube, the spaced apart along the vertical direction setting of described multiple leeward flat tube and the two ends of each described leeward flat tube are connected with described second header with described first header respectively;
Multiple flat tube windward, described multiple flat tube is windward positioned on front side of described leeward flat tube with described multiple leeward flat tube one_to_one corresponding respectively, and described multiple flat tube is windward divided into the first flat pipe group, the second flat pipe group and the 3rd flat pipe group at above-below direction;
3rd header is to the 5th header, and described 3rd header and described 5th header are respectively adjacent to described first header and arrange, and contiguous described second header of described 4th header is arranged, and described 5th header is provided with refrigerant exit;
The two ends of described first flat pipe group are connected with described 3rd header with described second header respectively, described second flat pipe group is connected with described 4th header with described 3rd header respectively, and described 3rd flat pipe group is connected with described 5th header with described 4th header respectively.
2. parallel-flow heat exchanger according to claim 1, is characterized in that, described 3rd header and the spaced apart setting in the vertical direction of described 5th header.
3. parallel-flow heat exchanger according to claim 1, is characterized in that, described 3rd header and described 5th header are formed as one part and being opened by baffle interval along the vertical direction.
4. parallel-flow heat exchanger according to claim 1, it is characterized in that, the height H 1 of described first header, the height H 2 of described second header, the height H 3 of described 3rd header, the height H 4 of described 4th header and the height H 5 of described 5th header meet following relational expression: H1=H2 > H3 > H4 > H5.
5. parallel-flow heat exchanger according to claim 1, is characterized in that, described multiple leeward flat tube and corresponding described multiple flat tubes windward form as one structure and opening respectively by baffle interval.
6. parallel-flow heat exchanger according to claim 1, is characterized in that, described 3rd header, described 4th header and described 5th header are all between described first header and described second header.
7. parallel-flow heat exchanger according to claim 1, is characterized in that, described refrigerant inlet is formed in the middle part of described first header.
8. parallel-flow heat exchanger according to claim 1, is characterized in that, described refrigerant exit is formed in the bottom of described 5th header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768782.9U CN204329416U (en) | 2014-12-08 | 2014-12-08 | Parallel-flow heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768782.9U CN204329416U (en) | 2014-12-08 | 2014-12-08 | Parallel-flow heat exchanger |
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| Publication Number | Publication Date |
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| CN204329416U true CN204329416U (en) | 2015-05-13 |
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| CN201420768782.9U Active CN204329416U (en) | 2014-12-08 | 2014-12-08 | Parallel-flow heat exchanger |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017096925A1 (en) * | 2015-12-10 | 2017-06-15 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN108344210A (en) * | 2018-03-14 | 2018-07-31 | 东莞市丰瑞德温控技术有限公司 | Improve the concurrent flow heat-exchange system of heat exchange efficiency |
| CN109724235A (en) * | 2017-10-30 | 2019-05-07 | 杭州三花微通道换热器有限公司 | Heat exchanger, heat-exchange system and air conditioner |
-
2014
- 2014-12-08 CN CN201420768782.9U patent/CN204329416U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017096925A1 (en) * | 2015-12-10 | 2017-06-15 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN109724235A (en) * | 2017-10-30 | 2019-05-07 | 杭州三花微通道换热器有限公司 | Heat exchanger, heat-exchange system and air conditioner |
| CN109724235B (en) * | 2017-10-30 | 2022-02-25 | 杭州三花微通道换热器有限公司 | Heat exchanger, heat exchange system and air conditioner |
| CN108344210A (en) * | 2018-03-14 | 2018-07-31 | 东莞市丰瑞德温控技术有限公司 | Improve the concurrent flow heat-exchange system of heat exchange efficiency |
| CN108344210B (en) * | 2018-03-14 | 2023-10-24 | 深圳市丰瑞德机电技术有限公司 | Parallel flow heat exchange system for improving heat exchange efficiency |
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